Fix a typo 'iff' => 'if'

llvm-svn: 164767

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/include/llvm/Analysis/ScalarEvolutionExpressions.h b/llvm/include/llvm/Analysis/ScalarEvolutionExpressions.h
index ded12974fac..5e06c0a43bd 100644
--- a/llvm/include/llvm/Analysis/ScalarEvolutionExpressions.h
+++ b/llvm/include/llvm/Analysis/ScalarEvolutionExpressions.h
@@ -318,7 +318,7 @@ namespace llvm {
     /// an expressions A+B*x where A and B are loop invariant values.
     bool isAffine() const {
       // We know that the start value is invariant.  This expression is thus
-      // affine iff the step is also invariant.
+      // affine if the step is also invariant.
       return getNumOperands() == 2;
     }